Home / 6,143,751.86-8,478,549.86-3,390,612.89

Finding the Fourth Proportional to 6,143,751.86, 8,478,549.86 and 3,390,612.89

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Solution

The fourth proportional to 6,143,751.86, 8,478,549.86 and 3,390,612.89 is: 4,679,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,751.86 : 8,478,549.86 = 3,390,612.89 : x
  2. Step 2: Convert to fraction form
    6,143,751.86/8,478,549.86 = 3,390,612.89/x
  3. Step 3: Cross multiply
    6,143,751.86x = 8,478,549.86 × 3,390,612.89
  4. Step 4: Simplify right side
    6,143,751.86x = 28,747,480,384,477.88
  5. Step 5: Solve for x
    x = 28,747,480,384,477.88/6,143,751.86
  6. Step 6: Final answer
    x = 4,679,140.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.